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S1C2
Vibrational Frequencies calculated at B3LYPultrafine/aug-cc-pVDZ
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
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S1C1
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
| | hartrees |
| Energy at 0K | -2613.405401 |
| Energy at 298.15K | |
| HF Energy | -2613.405401 |
| Nuclear repulsion energy | 80.152019 |
The energy at 298.15K was derived from the energy at 0K
and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYPultrafine/aug-cc-pVDZ
| Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
| 1 |
A1 |
3169 |
3075 |
3.91 |
126.96 |
0.08 |
0.14 |
| 2 |
A1 |
1369 |
1328 |
18.85 |
0.80 |
0.20 |
0.33 |
| 3 |
A1 |
695 |
675 |
18.41 |
12.16 |
0.12 |
0.21 |
| 4 |
B1 |
201 |
195 |
65.51 |
0.99 |
0.75 |
0.86 |
| 5 |
B2 |
3336 |
3238 |
1.07 |
55.69 |
0.75 |
0.86 |
| 6 |
B2 |
923 |
896 |
0.96 |
0.95 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 4846.7 cm
-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 4703.3 cm
-1
See section
III.C.1 List or set vibrational scaling factors
to change the scale factors used here.
See section
III.C.2
Calculate a vibrational scaling factor for a given set of molecules
to determine the least squares best scaling factor.
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ
Point Group is C2v
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.000 |
-1.496 |
| Br2 |
0.000 |
0.000 |
0.371 |
| H3 |
0.000 |
0.963 |
-1.997 |
| H4 |
0.000 |
-0.963 |
-1.997 |
Atom - Atom Distances (Å)
| |
C1 |
Br2 |
H3 |
H4 |
| C1 | | 1.8666 | 1.0853 | 1.0853 |
Br2 | 1.8666 | | 2.5559 | 2.5559 | H3 | 1.0853 | 2.5559 | | 1.9254 | H4 | 1.0853 | 2.5559 | 1.9254 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| Br2 |
C1 |
H3 |
117.496 |
|
Br2 |
C1 |
H4 |
117.496 |
| H3 |
C1 |
H4 |
125.009 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
0.284 |
|
|
|
| 2 |
Br |
0.298 |
|
|
|
| 3 |
H |
-0.291 |
|
|
|
| 4 |
H |
-0.291 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
0.000 |
0.000 |
-1.001 |
1.001 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-26.709 |
0.000 |
0.000 |
| y |
0.000 |
-24.637 |
0.000 |
| z |
0.000 |
0.000 |
-22.204 |
|
| Traceless |
| | x | y | z |
| x |
-3.288 |
0.000 |
0.000 |
| y |
0.000 |
-0.181 |
0.000 |
| z |
0.000 |
0.000 |
3.469 |
|
| Polar |
| 3z2-r2 | 6.939 |
| x2-y2 | -2.072 |
| xy | 0.000 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
4.256 |
0.000 |
0.000 |
| y |
0.000 |
4.428 |
0.000 |
| z |
0.000 |
0.000 |
6.784 |
<r2> (average value of r
2) Å
2
| <r2> |
43.379 |
| (<r2>)1/2 |
6.586 |